You will always have the bad as well as the good in the world.
人生在世总是有苦有甜。
It's known as the most dangerous part of the city.
人们都认为那是市内最危险的地段。
They'll respect you as long as you play fair.
只要为人正直，别人就会尊敬你。
It was a time of peak demand for the product.
那是对该产品需求最旺的时期。
There was much discussion about the reasons for the failure.
就失败的原因进行了大量的讨论。
We have a full order book for the coming year.
我们来年的订货簿已经记满了。